Finally, a proven use for pennies!!!!! A $383.00 Paint Job and it won't scratch. '49 Cadillac, Completely Covered With 38,295 Pennies! Pennies Were Adhered One By One Using Silicone. They Added Over 200 Pounds To The Weight. The Entire Project Took 6 weeks; Pennies are American,and include 1817 ''Big Cent'', Two Error Pennies And Four 1943 Steel Pennies —